On Wed, 3 Nov 2004 16:47:37 -0500 David Megginson <[EMAIL PROTECTED]> wrote:
After having scribbled for a LITTLE WHILE on the back of an envelope ;-) I am thinking that what you want is this:
-atan2(-phi,theta)
but I'll have to play a little bit more. I think this would give you the angle about the local vertical from the aircraft X axis to the most vertical ascent angle given the plane located by the aircraft X and Y axes.
Jon
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